The 2011 Kütahya earthquake was a strong magnitude 5.8 Mw earthquake that struck inland near a populous region of western Turkey at 23:15 EEST (20:15 UTC) on Thursday, 19 May 2011. With an epicenter just to the east of Simav, it occurred at an estimated depth of 9.1 kilometers (5.7 mi), resulting in strong shaking in much of Kütahya.